AIR AROUND US
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Check
Across:
1.
materials when burn consume oxygen and produce
3.
dark coloured mixture of gases produced due to burning of anything
4.
used to draw water from tube wells and to run flour mills
5.
the envelope of air that surrounds the earth is known as
6.
major portion of atmosphere and doesnot support burning
Down:
2.
oxygen is necessary for survival as it is required in
7.
the component of air that supports burning
OK